DON QUESTIONS WHETHER A DEATH ROW INMATE HAS ULTERIOR MOTIVES WHEN HE SUDDENLY AGREES TO COOPERATE WITH THE FBI ABOUT SEVERAL UNSOLVED MURDERS, ON "NUMB3RS," FRIDAY, APRIL 27, 10:00-11:00 PM ET/PT

Peter MacNicol Returns as Professor Larry Fleinhart

Jeremy Sisto ("Six Feet Under") Guest Stars As Assistant United States Attorney Alvin Brickle

"The Art of Reckoning" -- Don believes that a death row inmate has an ulterior motive when he suddenly wants to confess the whereabouts of bodies he buried during his days as a hit man for the mob, on NUMB3RS, Friday April 27 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Don Eppes: Rob Morrow
Charlie Eppes: David Krumholtz
Alan Eppes: Judd Hirsch
David Sinclair: Alimi Ballard
Megan Reeves: Diane Farr
Amita Ramanujan: Navi Rawat
Colby Granger: Dylan Bruno
Larry Fleinhart: Peter MacNicol

RECURRING:

Dr. Mildred Finch: Kathy Najimy

GUEST CAST:

AUSA Alvin Brickle: Jeremy Sisto
Congressman Randal Amato: Bruce Macvittie
Murphy "Pony" Fuentes: Wood Harris
Guard #3: Shane Woodson
Rene Moreno: Rosa Evangelina Arrendondo
Lucy Funes Moreno: Rhyon Nicole Brown
Prisoner #2: Franco Delgado
Prisoner #3: Curtis "Spider Loc" Williams
Guard #1: Eddie Driscoll
Phillip Berelli: Joe Marinelli
Technician: Matthew Yang King
Stephanie Quartz: Lina Patel
Randy Amato: Preston Bailey

WRITTEN BY: Julie H�bert

DIRECTED BY: John Behring

RATING: To Be Announced